import type { StablePromotionDirectory } from './runtime-promotion-filesystem-io.js';
import type { RuntimePromotionFilesystemDependencies, RuntimePromotionFilesystemMutation } from './runtime-promotion-filesystem-types.js';
export type ExactMarkerInspection = {
    readonly status: 'absent';
} | {
    readonly status: 'exact';
} | {
    readonly status: 'partial-prefix';
} | {
    readonly status: 'mismatch';
};
export declare function readStablePromotionMarkerContent(markerPath: string): string;
/** Stable no-follow digest for a journal-bound cache marker. */
export declare function digestStablePromotionFile(path: string, maxBytes: number): string;
export declare function inspectExactPromotionMarker(markerPath: string, expectedContent: string): ExactMarkerInspection;
export declare function publishPromotionMarker(parent: StablePromotionDirectory, markerPath: string, content: string, dependencies: RuntimePromotionFilesystemDependencies, operation: RuntimePromotionFilesystemMutation, revalidateBeforeCreate?: () => void): void;
/**
 * Turn exact bytes observed after a prior crash into a fresh durability
 * barrier before the marker authorizes any destructive continuation.
 */
export declare function ensureDurableExactPromotionMarker(parent: StablePromotionDirectory, markerPath: string, expectedContent: string, dependencies: RuntimePromotionFilesystemDependencies): void;
export declare function removeExactPromotionMarker(parent: StablePromotionDirectory, markerPath: string, expectedContent: string, dependencies: RuntimePromotionFilesystemDependencies, operation?: RuntimePromotionFilesystemMutation): boolean;
export declare function removePartialPromotionMarker(parent: StablePromotionDirectory, markerPath: string, expectedContent: string, dependencies: RuntimePromotionFilesystemDependencies): void;
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